Windows error 0x800704C9, -2147023671

Detailed Error Information

CONNECTION_REFUSED[1]

MessageThe remote computer refused the network connection.
Declared inwinerror.h

HRESULT analysis[2]

FlagsSeverityFailure
Reserved (R)false
OriginMicrosoft
NTSTATUSfalse
Reserved (X)false
FacilityCode7 (0x007)
NameFACILITY_WIN32[2][1]
DescriptionThis region is reserved to map undecorated error codes into HRESULTs.[2][1]
Error Code1225 (0x04c9)

This is a Win32 error which has been mapped into an HRESULT. More information may be available in error 0x000004c9.

Questions

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1answer

Getting unrecognized 0x800704C9 error with StreamSocket.UpgradeToSslAsync

I'm getting System.Exception with HResult=0x800704C9 when there is a pause between connecting and starting SSL handshake (so the remote server closes the connection). await socket.UpgradeToSslAsync(SocketProtectionLevel.Tls12, socket.Information.RemoteHostName); Windows.Networking.Sockets.SocketError.GetStatus(e.HResult) gives Unknown for 0x800704C9 code. Error Lookup tool, however, recognizes this code and indicates that 0x04C9/0x800704C9 codes correspond to "The remote computer refused [...] read more
c#
sockets
uwp

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Sources

  1. winerror.h from Windows SDK 10.0.14393.0
  2. https://msdn.microsoft.com/en-us/library/cc231198.aspx

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